Question

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Question 10.

15 points for answer!!

Answer 1

Answer:

AB is a chord with centre O

A/q

PQ is passing through centre O

hence PQ is diameter of circle ( as a line segment passing through centre cut the circle at two points is known as diameter of circle)

So, PQ is the diameter of circle and we know half of diameter of circle is known as radius of circle.

here PQ=2AB

length of AB is equal to the length of radius

and let radius be r

then AB=r

now it's clear that OA and OB are the radius of circle

so,OA=OB=r

Answer 2

$\huge \boxed{ \red {\blue{ \green{ \orange{ \pink{ \purple{a}n}s}w}e}r : - }}$

So,

OA = OB = R